Dear the final boss33,436 Views SingersKotonoha Akane (VOICEROID)Other Voice SynthesizerKotonoha Aoi (VOICEROID)Other Voice SynthesizerProducerWakaba Mark Oji-sanProducerViews BreakdownNiconico33K ViewsDaily Views2011/012711/023311/032911/043211/054011/062911/07refreshRefresh Song DataListenNiconicoVocaDB